Music Appreciation Series All sessions are held at the Stoughton Opera House and are free and open to the public. April 21: UW Madison Faculty, Pro Arte String Quartet Hailing from the University of Wisconsin Mead Witter School of Music, the Pro Arte String Quartet captivates audiences with the elegance and passion of one of the world's most storied string quartets. This year’s quartet features cellist Parry Karp, violinist David Perry, violinist Suzanne Beia, and violist Sally Chisholm.